Anti-slip floor unit



FIG. 1 is a perspective view of my new design;

FIG. 2 is a front elevational view of the new design;

FIG. 3 is a top plan view of the new design;

FIG. 4 is a bottom plan view of the new design; and,

FIG. 5 is a side elevational view of the new design. 

An ornamental design for a anti-slip floor unit, as shown and described. 